Home / 1,915,323.76-2,643,078.77-1,044,140.41

Finding the Fourth Proportional to 1,915,323.76, 2,643,078.77 and 1,044,140.41

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Solution

The fourth proportional to 1,915,323.76, 2,643,078.77 and 1,044,140.41 is: 1,440,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,323.76 : 2,643,078.77 = 1,044,140.41 : x
  2. Step 2: Convert to fraction form
    1,915,323.76/2,643,078.77 = 1,044,140.41/x
  3. Step 3: Cross multiply
    1,915,323.76x = 2,643,078.77 × 1,044,140.41
  4. Step 4: Simplify right side
    1,915,323.76x = 2,759,745,345,349.39
  5. Step 5: Solve for x
    x = 2,759,745,345,349.39/1,915,323.76
  6. Step 6: Final answer
    x = 1,440,876.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.